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Finding the Fourth Proportional to 110,927.17, 153,110.90 and 65,620.90

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Solution

The fourth proportional to 110,927.17, 153,110.90 and 65,620.90 is: 90,575.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,927.17 : 153,110.90 = 65,620.90 : x
  2. Step 2: Convert to fraction form
    110,927.17/153,110.90 = 65,620.90/x
  3. Step 3: Cross multiply
    110,927.17x = 153,110.90 × 65,620.90
  4. Step 4: Simplify right side
    110,927.17x = 10,047,275,057.81
  5. Step 5: Solve for x
    x = 10,047,275,057.81/110,927.17
  6. Step 6: Final answer
    x = 90,575.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.